Distance From St Louis Downtown Airport to Lanzhou Zhongchuan International Airport, CPS - LHW Distance

The distance from St Louis Downtown Airport (CPS) to Lanzhou Zhongchuan International Airport (LHW) is 7175 miles or 11547 kilometers or 6231 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Cahokia/St Louis ( United States ) to Lanzhou (Yongdeng) ( China )?

A one-way nonstop (direct) flight between Cahokia/St Louis and Lanzhou (Yongdeng) takes around 16 hours 29 minutes.

Estimated flight time from St Louis Downtown Airport, Cahokia/St Louis, United States to Lanzhou Zhongchuan International Airport, Lanzhou (Yongdeng), China is 16 hours 29 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CPS - LHW

Kilometers		11547 km
Statute Miles		7175 miles
Nautical Miles		6231 nm
Avg. Time of Flight		16 hours 29 minutes

St Louis Downtown Airport to Lanzhou Zhongchuan International Airport Flight Route Map - CPS to LHW Flight Path

Location of St Louis Downtown Airport & Lanzhou Zhongchuan International Airport is given below.
Click the map to view Cahokia/St Louis to Lanzhou (Yongdeng) nonstop flight path and travel direction.

Click to see flight route on Google Map between Cahokia/St Louis, United States and Lanzhou (Yongdeng), China. .

Nonstop flight route between Cahokia/St Louis, United States and Lanzhou (Yongdeng), China.

Time Difference Between the Airports • CPS - LHW

Time difference between Cahokia/St Louis (United States) and Lanzhou (Yongdeng) (China) is 10 Hours.
Lanzhou (Yongdeng) time is 10 Hours ahead of Cahokia/St Louis.

Location	Local Time
Cahokia/St Louis (United States)	2026-03-20, 04:26:02 EDT
Lanzhou (Yongdeng) (China)	2026-03-20, 14:26:02 +06

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

St Louis Downtown Airport (CPS / KCPS) Cahokia/St Louis, United States

Destination

Lanzhou Zhongchuan International Airport (LHW / ZLLL) Lanzhou (Yongdeng), China